The article provides a profound analysis of scientific schools, various theoretical perspectives on economic development, and their impact on economic growth. In particular, within the framework of classical, neoclassical, and modern endogenous growth theories, the sources of economic growth, capital accumulation, labor productivity, innovation, and the role of human capital development are substantiated. At the same time, the main factors ensuring economic growth in the conditions of Uzbekistan are analyzed: increasing the level of industrialization, improving the investment climate, expanding export potential, developing the digital economy, and supporting small business and private entrepreneurship. The study develops forecast indicators for 2026–2030 through macroeconomic models used to assess economic growth, including a model of production functions and factors influencing GDP dynamics. Additionally, the goals and objectives defined within the framework of the “Uzbekistan – 2030” strategy improving public welfare, ensuring sustainable economic growth, increasing the share of high-value-added products, and ensuring the balanced development of regions have been scientifically substantiated